Find the three geometric means between
and 8.
Solution:-
t1= , t5 = 8
t5 = 
8= 
8*2 = 
16 =
r = 2
In geometric sequence we have to find the next number by multiply last number to common ratio.
*2 = 1
1*2 = 2
2 * 2 = 4
So the three geometric means 1, 2, 4